Home / 55,025.53-75,938.11-31,154.42

Finding the Fourth Proportional to 55,025.53, 75,938.11 and 31,154.42

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Solution

The fourth proportional to 55,025.53, 75,938.11 and 31,154.42 is: 42,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.53 : 75,938.11 = 31,154.42 : x
  2. Step 2: Convert to fraction form
    55,025.53/75,938.11 = 31,154.42/x
  3. Step 3: Cross multiply
    55,025.53x = 75,938.11 × 31,154.42
  4. Step 4: Simplify right side
    55,025.53x = 2,365,807,884.91
  5. Step 5: Solve for x
    x = 2,365,807,884.91/55,025.53
  6. Step 6: Final answer
    x = 42,994.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.